On Sun, Jul 17, 2016 at 11:30:26PM +0200, Michael Biebl wrote: > Am 17.07.2016 um 23:17 schrieb Josh Triplett: > > On Sun, Jul 17, 2016 at 11:05:09PM +0200, Michael Biebl wrote: > >> If you have systemd-sysv installed and you want to try sysvinit-core, > >> you install the package and you get a fallback grub menu entry for > >> systemd (unless you also purge the systemd package). So it is still > >> easily possible to switch between the two init systems. > > > > Only by having sysvinit installed as the default init system. > > Previously, it was possible to have systemd as the default (matching the > > Debian default) but still use sysvinit. Now, it seems like sysvinit > > will become the only init system in Debian that *can't* boot without > > being the default. > > Which other init systems do you have in mind which would allow that?
systemd. upstart, until it was removed. runit. openrc (which can't coexist with sysvinit because it replaces sysv-rc, but which doesn't have to be the default unless sysvinit does). > > Also, installing sysvinit-core will uninstall systemd-sysv, so if the > > systemd package is marked as automatically installed, it'll be removed > > at the same time. > > debootstrap, as used in d-i, will mark systemd as manually installed, so > we should be safe in that regard. Good to know, thanks. - Josh Triplett